Nez Perce County's estimated 2025 population is 43,143 with a growth rate of 0.18% in the past year according to the most recent United States census data. Nez Perce County is the 10th largest county in Idaho. The 2010 population was 39,317 and has seen a growth of 9.73% since that time.
Data after 2023 is projected based on recent change
The racial composition of Nez Perce County includes 88.36% White, 4.5% Native American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
White
Two or more races
Native American
Asian
Other race
Native Hawaiian or Pacific Islander
Black or African American
Race | Population | Percentage (of total) |
|---|---|---|
| White | 37,533 | 88.36% |
| Two or more races | 2,168 | 5.1% |
| Native American | 1,911 | 4.5% |
| Asian | 366 | 0.86% |
| Other race | 326 | 0.77% |
| Native Hawaiian or Pacific Islander | 130 | 0.31% |
| Black or African American | 43 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Nez Perce County's average per capita income is $48,216. Household income levels show a median of $71,466. The poverty rate stands at 13.11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,269 | - |
| Families | $91,340 | $108,448 |
| Households | $71,466 | $91,289 |
| Non Families | $38,083 | $54,714 |
Average Income
Median Household Income
Poverty Rate
